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Isolation and fatty acid profile of selected microalgae strains from the Red Sea for biofuel production

2013-06Journal article Open access
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dc.contributor.authorPereira, Hugo
dc.contributor.authorBarreira, Luisa
dc.contributor.authorCustodio, Luisa
dc.contributor.authorAlrokayan, Salman
dc.contributor.authorMouffouk, Fouzi
dc.contributor.authorVarela, Joao
dc.contributor.authorAbu-Salah, Khalid M.
dc.contributor.authorBen-Hamadou, Radhouan
dc.date.accessioned2018-12-07T14:53:32Z
dc.date.available2018-12-07T14:53:32Z
dc.date.issued2013-06
dc.description.abstractThe isolation of lipid-rich autochthonous strains of microalgae is a crucial stage for the development of a microalgae-based biofuel production plant, as these microalgae already have the necessary adaptations to withstand competition, predation and the temperatures observed at each production site. This is particularly important in extreme climates such as in Saudi Arabia. Resorting to fluorescence activated cell sorting (FACS) we screened for and isolated several microalgal strains from samples collected from the Red Sea. Relying on the fluorescence of BODIPY 505/515 (4,4-difluoro-1,3,5,7-tetramethyl-4-bora-3a,4a-diazasindacene) and growth performance, four promising candidates were identified and the total lipid content and fatty acid profile was assessed for biofuels production. Selected isolates were classified as chlorophytes, belonging to three different genera: Picochlorum, Nannochloris and Desmochloris. The lipid contents were assessed microscopically by means of BODIPY 505/515-associated fluorescence to detect intracellular lipid bodies, which revealed several lipid drops in all selected strains. This result was confirmed by lipid gravimetric determination, which demonstrated that all strains under study presented inner cell lipid contents ranging from 20% to 25% of the biomass dry weight. Furthermore, the fatty acid methyl esters profile of all strains seems ideal for biodiesel production due to a low degree of polyunsaturated fatty acid methyl esters and high amount of palmitic and oleic acids.
dc.description.sponsorshipNPST Program of King Saud University [11-ENE1719-02]
dc.description.versioninfo:eu-repo/semantics/publishedVersion
dc.identifier.doi10.3390/en6062773
dc.identifier.issn1996-1073
dc.identifier.urihttp://hdl.handle.net/10400.1/11557
dc.language.isoeng
dc.peerreviewedyes
dc.publisherMDPI Ag
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectBiodiesel
dc.subjectPurification
dc.subjectExtraction
dc.subjectEcology
dc.titleIsolation and fatty acid profile of selected microalgae strains from the Red Sea for biofuel production
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage2783
oaire.citation.issue6
oaire.citation.startPage2773
oaire.citation.titleEnergies
oaire.citation.volume6
person.familyNamePereira
person.familyNameBarreira
person.familyNameCustódio
person.familyNameALROKAYAN
person.familyNameVarela
person.familyNameBen-Hamadou
person.givenNameHugo
person.givenNameLuísa
person.givenNameLuísa
person.givenNameSALMAN
person.givenNameJoão
person.givenNameRadhouan
person.identifier282781
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person.identifier.orcid0000-0003-4338-7703
person.identifier.orcid0000-0002-0120-0309
person.identifier.orcid0000-0003-3101-693X
person.identifier.orcid0000-0003-2686-5822
person.identifier.ridE-9360-2015
person.identifier.ridM-6101-2013
person.identifier.ridJ-9891-2018
person.identifier.ridM-4223-2013
person.identifier.ridF-8192-2011
person.identifier.scopus-author-id54080259900
person.identifier.scopus-author-id15831018900
person.identifier.scopus-author-id55741416000
person.identifier.scopus-author-id15764751100
rcaap.rightsopenAccess
rcaap.typearticle
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